| County Name | Number of Samples |
|---|---|
| Adams | 145 |
| Allegheny | 100 |
| Armstrong | 166 |
| Beaver | 79 |
| Bedford | 276 |
| Berks | 423 |
| Blair | 353 |
| Bradford | 510 |
| Bucks | 197 |
| Butler | 619 |
| Cambria | 244 |
| Cameron | 12 |
| Carbon | 24 |
| Centre | 2099 |
| Chester | 195 |
| Clarion | 209 |
| Clearfield | 267 |
| Clinton | 300 |
| Columbia | 434 |
| Crawford | 466 |
| Cumberland | 193 |
| Dauphin | 223 |
| Delaware | 23 |
| Elk | 74 |
| Erie | 248 |
| Fayette | 329 |
| Forest | 50 |
| Franklin | 258 |
| Fulton | 140 |
| Greene | 64 |
| Huntingdon | 385 |
| Indiana | 363 |
| Jefferson | 263 |
| Juniata | 472 |
| Lackawanna | 96 |
| Lancaster | 357 |
| Lawrence | 120 |
| Lebanon | 350 |
| Lehigh | 94 |
| Luzerne | 291 |
| Lycoming | 429 |
| McKean | 55 |
| Mercer | 438 |
| Mifflin | 78 |
| Monroe | 39 |
| Montgomery | 342 |
| Montour | 202 |
| Northampton | 107 |
| Northumberland | 375 |
| Perry | 780 |
| Philadelphia | 17 |
| Pike | 15 |
| Potter | 165 |
| Schuylkill | 273 |
| Snyder | 237 |
| Somerset | 292 |
| Sullivan | 17 |
| Susquehanna | 247 |
| Tioga | 466 |
| Union | 294 |
| Venango | 46 |
| Warren | 104 |
| Washington | 332 |
| Wayne | 87 |
| Westmoreland | 458 |
| Wyoming | 327 |
| York | 291 |
| Total: | 18024 |
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
